Investigation of the eddies effect on the Persian Gulf ecosystem using numerical modeling

Document Type : Original Article

Authors

1 Department of Physical Oceanography, Khorramshahr University of Marine Science and Technology, Khorramshahr, Iran

2 , Department of Physical Oceanography, University of Mazandaran, Babolsar, Iran

Abstract

Eddies are a circulating current that can be stable for tens of days and cause temperature and salinity changes over a wide area. The Persian Gulf is also exposed to this event on a daily basis, and especially in the summer, eddies with a radius of about 50 km (mesoscale) is formed in it, which changes the life of aquatic animals. In this study, using the Mike model, which is a hydrodynamic model, the flow simulation in the Persian Gulf was performed and the way of changing the hydrographic parameters as well as the transfer of suspended matter around the eddy was investigated. The results showed that ivy formation caused significant temperature and salinity changes in the environment, which due to its structure can cause the migration of marine species without stress. The transfer of nutrients by eddy is also such that the concentration of suspended matter in the circular path of the eddy is the highest. The study also showed that in summer the fish recruitment pattern for the number of species studied had the highest percentage, which in this season are formed according to the results of mesoscale eddies.

Keywords

Journal of Environmental Science Studies
Volume 6, Issue 2
April 2021
Pages 3533-3539

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